<?php

namespace App\Livewire\Issues;

use App\Models\Issue;
use App\Models\Project;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Str;
use Rappasoft\LaravelLivewireTables\DataTableComponent;
use Rappasoft\LaravelLivewireTables\Views\Column;
use Rappasoft\LaravelLivewireTables\Views\Filters\SelectFilter;

class IssueTable extends DataTableComponent
{
    protected $model = Issue::class;

    public int $projectId;

    public function configure(): void
    {
        $this->setPrimaryKey('id')
            ->setDefaultSort('created_at', 'desc')
            ->setSortingPillsEnabled(false)
            ->setAdditionalSelects(['issues.id as id', 'issues.created_at as created_at']);
    }

    public function builder(): Builder
    {
        // Defence in depth: only members (or super-admin) may list a project's issues.
        $user = Auth::user();
        abort_unless(
            $user->can('view issues') && (
                $user->can('manage all')
                || Project::whereKey($this->projectId)->whereHas('users', fn ($q) => $q->where('user_id', $user->id))->exists()
            ),
            403
        );

        return Issue::where('issues.project_id', $this->projectId)
            ->with(['feature', 'reporter', 'assignee'])
            ->withCount([
                'comments',
                'media',
                'tasks',
                'tasks as tasks_done_count' => fn (Builder $q) => $q->where('is_done', true),
                'tasks as overdue_tasks_count' => fn (Builder $q) => $q->where('is_done', false)
                    ->whereNotNull('due_date')
                    ->whereDate('due_date', '<', now()->toDateString()),
            ]);
    }

    public function columns(): array
    {
        return [
            Column::make('Prioridad', 'priority')
                ->sortable()
                ->format(function ($value, $row) {
                    $label = ['low' => 'Bajo', 'medium' => 'Medio', 'high' => 'Alto', 'critical' => 'Crítico'][$value] ?? ucfirst($value);
                    $textColor = in_array($value, ['critical', 'high']) ? '#fff' : '#1f2937';

                    return '<span class="badge badge-sm font-semibold" style="background-color:'.$row->priority_color.';color:'.$textColor.';border-color:transparent;">'.$label.'</span>';
                })
                ->html(),

            Column::make('Título', 'title')
                ->sortable()
                ->searchable()
                ->format(function ($value, $row) {
                    $url = route('projects.issues.show', [$this->projectId, $row->id]);
                    $html = '<a href="'.$url.'" wire:navigate class="font-medium text-sm link link-hover">'.e($value).'</a>';
                    if ($row->description) {
                        $html .= '<div class="text-xs text-base-content/50 truncate max-w-xs">'.e(Str::limit($row->description, 60)).'</div>';
                    }
                    $meta = [];
                    if ($row->reporter) {
                        $meta[] = 'Reportado por '.e($row->reporter->name);
                    }
                    if ($row->comments_count) {
                        $meta[] = '💬 '.$row->comments_count;
                    }
                    if ($row->media_count) {
                        $meta[] = '📷 '.$row->media_count;
                    }
                    if ($meta) {
                        $html .= '<div class="text-xs text-base-content/40 mt-0.5">'.implode(' · ', $meta).'</div>';
                    }
                    if ($row->tasks_count) {
                        $pct = (int) round($row->tasks_done_count / $row->tasks_count * 100);
                        $html .= '<div class="flex items-center gap-2 mt-1 max-w-xs">
                                <progress class="progress progress-success w-24 h-1.5" value="'.$pct.'" max="100"></progress>
                                <span class="text-xs text-base-content/50">'.$row->tasks_done_count.'/'.$row->tasks_count.' tareas</span>
                            </div>';
                    }
                    if ($row->overdue_tasks_count) {
                        $html .= '<div class="mt-1"><span class="badge badge-error badge-sm gap-1">⏰ '.$row->overdue_tasks_count.' vencida'.($row->overdue_tasks_count > 1 ? 's' : '').'</span></div>';
                    }

                    return $html;
                })
                ->html(),

            Column::make('Tipo', 'type')
                ->sortable()
                ->format(fn ($value, $row) => '<span class="badge badge-sm" style="background-color:'.$row->type_color.';color:#fff;border-color:transparent;">'.e($row->type_label).'</span>')
                ->html(),

            Column::make('Feature')
                ->label(fn ($row) => $row->feature
                    ? '<span class="badge badge-outline badge-sm">'.e($row->feature->name).'</span>'
                    : '<span class="text-base-content/30 text-xs">—</span>')
                ->html(),

            Column::make('Estado', 'status')
                ->sortable()
                ->format(function ($value, $row) {
                    $label = ['open' => 'Abierto', 'in_review' => 'En revisión', 'resolved' => 'Resuelto', 'closed' => 'Cerrado'][$value] ?? ucfirst($value);

                    return '<span class="badge badge-sm" style="background-color:'.$row->status_color.';color:#fff;border-color:transparent;">'.$label.'</span>';
                })
                ->html(),

            Column::make('Asignado a')
                ->label(fn ($row) => $row->assignee
                    ? '<span class="text-sm">'.e($row->assignee->name).'</span>'
                    : '<span class="text-base-content/30 text-xs">Sin asignar</span>')
                ->html(),

            Column::make('Fecha', 'created_at')
                ->sortable()
                ->format(function ($value, $row) {
                    $html = $row->created_at->format('d/m/Y');
                    if ($row->resolved_at) {
                        $html .= '<div class="text-success text-xs">Res. '.$row->resolved_at->format('d/m/Y').'</div>';
                    }

                    return $html;
                })
                ->html(),

            Column::make('Acciones')
                ->label(function ($row) {
                    $user = Auth::user();
                    $detail = route('projects.issues.show', [$this->projectId, $row->id]);
                    $edit = route('projects.issues.edit', [$this->projectId, $row->id]);

                    $html = '<div class="flex items-center justify-end gap-1 flex-wrap">';
                    $html .= '<a href="'.$detail.'" wire:navigate class="btn btn-xs btn-ghost" title="Abrir detalle">
                          <svg xmlns="http://www.w3.org/2000/svg" class="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14"/></svg>
                      </a>';

                    if ($user->can('edit issues')) {
                        $html .= '<a href="'.$edit.'" wire:navigate class="btn btn-xs btn-ghost" title="Editar">
                              <svg xmlns="http://www.w3.org/2000/svg" class="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/></svg>
                          </a>';
                        if (in_array($row->status, ['open', 'in_review'])) {
                            $html .= '<button wire:click="resolve('.$row->id.')" class="btn btn-xs btn-success" title="Marcar como resuelto">
                                  <svg xmlns="http://www.w3.org/2000/svg" class="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/></svg>
                              </button>';
                        }
                        if ($row->status !== 'closed') {
                            $html .= '<button wire:click="close('.$row->id.')" class="btn btn-xs btn-neutral" title="Cerrar">
                                  <svg xmlns="http://www.w3.org/2000/svg" class="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
                              </button>';
                        }
                    }

                    if ($user->can('delete issues')) {
                        $html .= '<button wire:click="deleteIssue('.$row->id.')" wire:confirm="¿Eliminar esta incidencia? Esta acción no se puede deshacer."
                              class="btn btn-xs btn-error btn-outline" title="Eliminar">
                              <svg xmlns="http://www.w3.org/2000/svg" class="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/></svg>
                          </button>';
                    }

                    $html .= '</div>';

                    return $html;
                })
                ->html(),
        ];
    }

    public function filters(): array
    {
        return [
            SelectFilter::make('Estado', 'status')
                ->options([
                    '' => 'Estado: todos',
                    'open' => 'Abierto',
                    'in_review' => 'En revisión',
                    'resolved' => 'Resuelto',
                    'closed' => 'Cerrado',
                ])
                ->filter(fn (Builder $query, string $value) => $query->where('issues.status', $value)),

            SelectFilter::make('Prioridad', 'priority')
                ->options([
                    '' => 'Prioridad: todas',
                    'critical' => 'Crítica',
                    'high' => 'Alta',
                    'medium' => 'Media',
                    'low' => 'Baja',
                ])
                ->filter(fn (Builder $query, string $value) => $query->where('issues.priority', $value)),

            SelectFilter::make('Tipo', 'type')
                ->options(['' => 'Tipo: todos'] + Issue::typeLabels())
                ->filter(fn (Builder $query, string $value) => $query->where('issues.type', $value)),
        ];
    }

    // ── Row actions ────────────────────────────────────────────────────────────────

    private function findIssue(int $id): Issue
    {
        return Issue::where('project_id', $this->projectId)->findOrFail($id);
    }

    public function resolve(int $id): void
    {
        abort_unless(Auth::user()->can('edit issues'), 403);
        $issue = $this->findIssue($id);
        $issue->update(['status' => 'resolved', 'resolved_at' => $issue->resolved_at ?? now()]);
        $this->dispatch('issuesChanged');
        $this->dispatch('notify', 'Incidencia marcada como resuelta');
    }

    public function close(int $id): void
    {
        abort_unless(Auth::user()->can('edit issues'), 403);
        $issue = $this->findIssue($id);
        $issue->update(['status' => 'closed', 'resolved_at' => $issue->resolved_at ?? now()]);
        $this->dispatch('issuesChanged');
        $this->dispatch('notify', 'Incidencia cerrada');
    }

    public function deleteIssue(int $id): void
    {
        abort_unless(Auth::user()->can('delete issues'), 403);
        $this->findIssue($id)->delete();
        $this->dispatch('issuesChanged');
        $this->dispatch('notify', 'Incidencia eliminada');
    }
}
